baber/WOPTO huggingface dataset:
Patent JP-H05211625-A (JP)
Title: Image pickup device
Inventor: KANEDA KITAHIRO
IPC: G01J1/42
Filed: 1992-11-05
Abstract: PURPOSE:To prevent malfunction and provide high-precision, speedy focus adjusting operation by detecting pieces of information on the the sharpness of a subject image and the extent of variance in the gazing point on a finder screen and performing focus control according to those pieces of information. CONSTITUTION:A sight detection device 20 which detects the sight of a photographer, i.e., the gazing point on the viewfinder screen 14 consists of an optical system composed of a photoelectric element 21, an infrared light emitting diode 22, an ocular 23, a light reception lens 24, and a dichroic mirror 25, and a signal processing circuit 26. The eyeball of the photographer is irradiated with infrared light by the infrared light emitting diode 22 and its reflected light is received by the photoelectric element 21 to detects which point on the finder screen 14 of a viewfinder 13 the photographer views, i.e., the gazing point. The sharpness information showing the focus state of the subject image is detected and the extent of variance in the gazing point is detected to perform optimum control according to those pieces of information.
Patent JP-H02144126-A (JP)
Title: Method and device for separating isotope
Inventor: SHIODA KAZUNORI
IPC: B01D59/34
Filed: 1988-11-25
Abstract: PURPOSE:To heighten the separation factor and sharply improve the purity of product by putting a group of electrodes so that their slanting direction is directed to the radiation point of vapor stream flux in an isotope collecting device. CONSTITUTION:Vapor stream 7 is generated by heating and evaporating a material 1 containing plural isotopes with charged particle beam 5. The ionizing laser beam 11 which ionizes selectively a specified isotope is allowed to irradiated the vapor stream to generate the ionized isotope, which is deflected to the direction of recovery electrodes 9 by impressing pulse electric field synchronized with the beam 11 between electrodes 8, 9, and the specified isotope is separated and recovered. The group of electrodes consisting of positive electrodes 8 and negative electrodes 9 are disposed above an evaporation source 17 so that the irradiation direction of the beam 11 is to be longitudinal direction of the electrode. Each slant of the group of electrodes is so adjusted that the direction of the opening of the isotope collecting space formed by partitioning the evaporation space by the group of electrodes is the same as the direction of the vapor stream 7 radiated from the evaporation source 17 of finite dimension.
Patent JP-H05136100-A (JP)
Title: Etching method
Inventor: HAYASHI HIROMI
IPC: H01L21/3213
Filed: 1991-11-13
Abstract: PURPOSE:To increase an etching margin by adding bromine-based gas or HBr, Br2, Br3 as etching gas and O2, N2, chlorine series gas thereto, and using the mixture gas. CONSTITUTION:A parallel flat plate type RIE apparantus comprises an etching chamber 1, an etching gas inlet 2, an exhaust opening 3, a substrate side electrode 4, a counter electrode 5, an insulator 6, an electrostatic chuck 7, a coolant outlet/inlet 8, an RF power source 9, and a wafer 10. In the case of etching, when bromine series gas HBr, Br2, BBr3, HBr+O2, HBr+N2, HBr+ chlorine series gas, etc., is used as etching gas, an etching rate of an Al alloy film and a selection ratio of resist, SiO2, etc., are largely improved, and an etching margin is increased. Further, it is not necessary to use a three-layer resist in the case of etching Al/Cu wirings thereby to shorten steps.
Patent JP-H07195837-A (JP)
Title: Thermal transfer donor sheet and thermal transfer method
Inventor: RINDA KAI UIRIAMUZU
IPC: B41M5/388
Filed: 1994-11-30
Abstract: PURPOSE: To improve the stability of dyes for a long period of time by using dyes represented by a specific formula as a dye for a dye donor layer covering a flexible substrate and to obtain a fluorine-containing arylazoaniline dyes that are useful in thermal transfer systems. CONSTITUTION: In the thermal transfer donor sheet, a flexible substrate is covered with a dye donor layer containing dyes. In this case, dyes represented by the formula as shown separately is used, wherein R<1> is 1-20C alkyl group or hydroxy 1-20C alkyl group, R<2> is hydroxy 1-20C alkyl group or 1-20C alkylene-OC(O)NH-1-20C alkylene-CO(O)-R<4> group, R<3> is F or CF3 . This dye is stable under ambient conditions for at least about 6 months. On the other hand, a yellow or orange-colored image formed by the thermal transfer method wherein this dye is used exhibits excellent contrast and optical stability.
Patent JP-H10222751-A (JP)
Title: System and method for acquiring price of merchandise
Inventor: ESPY CALVIN L
IPC: G06Q20/20
Filed: 1997-10-29
Abstract: PROBLEM TO BE SOLVED: To provide a system and a method with which time required for checking out a vending action related to merchandise too small to attach a readable bar code label is shortened and a lot of such merchandise can be prevented from being purchased more than needed. SOLUTION: Concerning this system for acquiring the price of merchandise too small to attach the readable bar code label, this system is provided with a camera 18 for recording the image of a merchandise 22 and data processing means 15 and 16 connected to the camera 18 for identifying the merchandise 22 from this image and acquiring the price of the merchandise 22 from a price look-up file 36.
Patent JP-H05177126-A (JP)
Title: Harmful liquid supply apparatus
Inventor: YOKOYAMA KATSUKI
IPC: B08B9/02
Filed: 1991-10-17
Abstract: PURPOSE:To certainly and efficiently remove the residual stock solution in a connection part and to prevent the direct contact of the stock solution with air at the time of the replacement of a container. CONSTITUTION:The opening and closing valve 13A of a container 11 supplying a stock solution (harmful solution) and the opening and closing valve 17A on the side of a supply destination 25 are connected through a connection flange 15A. When both valves are disconnected, washing nitrogen gas is allowed to flow to the connection flange 15A before disconnection. Automatic opening and closing valves 51A, 59A, 61A and a vacuum generator 57A utilizing Venturi effect are arranged to the passage of the nitrogen gas to make it possible to pressurize and depressurize the connection flange 15A. By this constitution, a washing time necessary for perfectly removing a residual harmful liquid can be shortend.
Patent JP-2000125136-A (JP)
Title: Image data compression device and its method
Inventor: SATO HITOSHI
IPC: H04N19/423
Filed: 1998-10-19
Abstract: PROBLEM TO BE SOLVED: To allow the user to recognize contents of a quantization table used for image compression processing. SOLUTION: An image data compression software 5 displays compressed image data (expanded image data) of the JPEG system expansion-processed by a JPEG expander 40 on a display device 20 via an image display IF 18. Furthermore, the image data compression software 5 displays a quantization index value (1st quantization index value before revision) that reflects and indexes all values at n×n sets of quantization levels included in a quantization table (1st quantization table) from a block decoding section used to generate input JPEG data on the display device 20.
Patent JP-H04167987-A (JP)
Title: Laser beam welding apparatus
Inventor: SUMINOE SHINGO
IPC: B23K26/064
Filed: 1990-10-31
Abstract: PURPOSE:To enable good welding at high velocity by arranging optical system intentionally developing astigmatism in the laser beam system, making a first focal line and a second focal line and positioning the first focal line and the second focal line to welding part. CONSTITUTION:In the case of the optical system developing the astigmatism, slender focal line is generally developed in the first focal line F1 and the second focal line F2 and on the focal line, as irradiating beam source varies in proportion to liner of length (irradiating width) to the longitudinal direction, while securing the necessary irradiating beam intensity, the irradiating width can be optionally adopted to wide. At the time of the laser beam welding, by suitably selecting either the first focal line or the second focal line according to the irradiating width, the laser beam may be positioned to the welding part. As the optical system intentionally developing the astigmatism, the first focal line and the second focal line can be made by assembling the lens of recessed or projected cylindrical lens, etc., or a mirror of paraboloid mirror, etc. By this method, while securing the necessary irradiating beam intensity to the welding with the simple constitution, the irradiating width is adopted to wide and the good welding is executed at high velocity.
Patent JP-H07144122-A (JP)
Title: Two-pack mixer
Inventor: IIZUKA HIROSHI
IPC: B01F25/70
Filed: 1993-11-26
Abstract: PURPOSE:To provide a two-pack mixer by which two liquid components having extremely high reaction velocity between reactive functional groups are uniformly mixed at high speed, the formation of a residual stuck material in a mixing chamber is reduced, and the number of times of cleaning work is decreased. CONSTITUTION:This two-pack mixer has a cylindrical mixing chamber having an opening at one end, least a pair of reactive liquid jetting parts (a), (b) for feeding a reactive liquid LA and a reactive liquid LB each into the mixing chamber, and a two-pack opening/closing rod inserted into the mixing chamber. The reactive liquids LA, LB are jetting into the mixing chamber to impinge them each other and to mix them. The mixture is pushed out of the opening of the mixing chamber.
Patent JP-H09138933-A (JP)
Title: Magnetic recording medium
Inventor: NARUSE KOJI
IPC: G11B5/738
Filed: 1995-11-15
Abstract: PROBLEM TO BE SOLVED: To suppress deterioration in magnetic characteristics of a metal magnetic thin film of a magnetic recording medium by controlling the residual amt. of chlorine in a nonmagnetic pigment used for a back coating layer to a specified amt. SOLUTION: A back coating layer of a magnetic recording medium is formed on the opposite side of a nonmagnetic supporting body to the side where a magnetic layer is formed. This back coating layer contains a nonmagnetic pigment dispersed in a binder. The residual amt. of chlorine in the nonmagnetic pigment used for the back coating layer is controlled to <=500ppm. The residual amt. of chlorine is determined based on the amt. of nonchlorinated hydrogen which is produced by combusting the nonmagnetic pigment as a sample in an Ar/O atmosphere and is measured by potentiometric titration method.  By suppressing the amt. of residual chlorine of the nonmagnetic pigment thus measured to <=500ppm, deterioration in magnetic characteristics of the metal magnetic thin film, increase in dropout and deterioration in travelling durability can be suppressed and good recording and reproducing characteristics are obtd.
Patent JP-H04169323-A (JP)
Title: Inside/outside air switching device of air conditioner for vehicle
Inventor: WATANABE SATOSHI
IPC: B60H1/00
Filed: 1990-11-01
Abstract: PURPOSE:To reduce the flow resistance of air by arranging an air filter on an inside air leading port, in a low speed driving mode of a blower, of an inside air circulation mode, so as to clean the inside air taken in, and by separating the air filter from the inside air leading port in a high or medium speed driving mode of the blower. CONSTITUTION:The air leading mode of an inside/outside air switching device is carried out through automatic air conditioning control and so on by a microcomputer 29. In a REC-LOW mode, for example, an arm 12b of a motor actuator 12 is moved to a point D, so as to move each pin 16, 19, 24 to positions D1, D2, D3 of grooves for driving 13, 14, 15, and an outside leading port 4 is closed by an inside/outside switching door 7, while an auxiliary inside air port 6 is closed by an opening/closing door 9. An air filter 8 is arranged on an inside air leading port 5, and the inside air taken in by a blower 2 is cleaned. In a REC-H1 or MID mode, the arm 12b is moved to a point E, and the outside air leading port 4 is closed by the inside/outside switching door 7, and the auxiliary inside port 4 is opened by the opening/closing door 9, while the inside air leading port 4 is opened by the air filter 8.
Patent JP-H07149155-A (JP)
Title: Fork lift
Inventor: KAMEYAMA SHINJI
IPC: B60K17/04
Filed: 1993-11-26
Abstract: PURPOSE:To make a driving device provided on a leg to drive a front wheel lightweight and compact. CONSTITUTION:A shaft 10 is fixed on the side face of a leg 2L, and a support member 21 is rotatably supported on the shaft 10. A front wheel 4L is fixed to the support member 21. A ring-like spur gear 23 is fixed on the leg 2L side of the support member 21 coaxially with the shaft 10. When a driving motor 5L is rotated, the spur gear 23 is rotated via a train of gears 15, 17, 18, 20, and the front wheel 4L is rotated.
Patent JP-H09139024-A (JP)
Title: Data recording and reproducing device
Inventor: TANBA YOSHINORI
IPC: G11B20/10
Filed: 1995-11-15
Abstract: PROBLEM TO BE SOLVED: To record and reproduce data of a large volume at a high speed under management of an effective length of data in one track. SOLUTION: The time at the starting of recording effective data and effective data length are recorded by the device at the time of recording supplied input data on a tape by a data recording and reproducing part 7. The time information and the effective data length are extracted from inputted time data and effective length data by an IRIG time code control part 10, and are recorded together with supplied data on the tape by the data recording and reproducing part 7. Then, at the time of reproducing, the data to be reproduced by the data recording and reproducing part 7 and also, the time information and the effective data length recorded at the time of recording are extracted, and are converted into an IRIG time code and an effective signal to be outputted to the outside by the IRIG time code control part 10.
Patent JP-H07125439-A (JP)
Title: Image erasing method and apparatus of reversible thermal recording medium
Inventor: ITO AKIHIDE
IPC: B41M5/26
Filed: 1993-11-02
Abstract: PURPOSE:To erase an image within a short time with good heat efficiency by erasing the image formed on a reversible thermal recording medium having a thermal layer reversibly changed in transparency by heat by a heating member made possible to erase the image in a partially selective manner. CONSTITUTION:A reversible thermal recording medium 1 is obtained by providing a thermal layer based on an org. monomeric substance dispersed in a resin matrix and reversibly changed in transparency in dependence on temp. on a support and forming a protective layer on the upper surface of the thermal layer. When this thermal recording medium 1 is adapted to a card constituted so as to display a name, a data and the balance on a display part, separate type heating blocks (hot plates) capable of selectively erasing the printing of respective lines are provided. When only the balance is altered, only the heating block 10 corresponding to the balance is operated to erase the balance. By this constitution, the repeated use life of the medium can be extended.
Patent JP-H02146968-A (JP)
Title: Ultrasonic actuator
Inventor: SHIOTANI MASAHARU
IPC: H02N2/00
Filed: 1988-11-25
Abstract: PURPOSE:To obtain an ultrasonic actuator having high general-purpose properties by installing a circular pipe member and a piezoelectric expansion body deformed abutted against the inner circumferential surface of the circular pipe member. CONSTITUTION:The external shape of an ultrasonic actuator is composed of a vibration cylindrical body 11 consisting of aluminum, etc., and a cylindrical piezoelectric actuator 12 is mounted along the rectilinear diameter of the cylindrical body at a central position in the axial direction in the cylindrical body 11. Washers are interposed among the end sections of the actuator 12 and the cylindrical body 11, and bonded by adhesives. The AC voltage of fixed frequency is applied to each electrode of the actuator 12 from a power supply section. Consequently, an expansion and contraction motion in the longitudinal direction corresponding to applied voltage frequency is generated in the piezoelectric actuator 12, and the vibration cylindrical body 11 is deformed elliptically. Accordingly, a simple power transmission mechanism can be manufactured.
Patent JP-H10126937-A (JP)
Title: Cable hanging spacer and cable hanging method
Inventor: TSUNODA JUNICHI
IPC: H02G1/02
Filed: 1996-10-18
Abstract: PROBLEM TO BE SOLVED: To attach a cable to a messenger wire easily and improve the durability of a cable suspension part by a method wherein a spacer is attached to the messenger wire so as to permit the messenger wire holding part of the spacer to hold the messenger wire and then the cable and the spacer are bound together with a band. SOLUTION: A spacer A has a messenger wire holding part 1 and leg parts 3. In the cable suspension work, the spacer A is put on a messenger wire 11. Although the spacing between the leg parts 3 is smaller than the diameter of the messenger wire 11, as the spacer A is made of synthetic resin, if the spacer A is pressed against the messenger wire 11, the leg parts 3 are once opened and the messenger wire 11 is fitted into the messenger wire holding part 1. Then a band 12 is wound around the messenger wire 11, the spacer A and a cable 13 and is tightened so as to have the bottoms of the leg parts 3 pressed against the cable 13. After the end parts of the band 12 are made to overlap each other on the inclined part 2 of the spacer A, the end parts of the band 12 are welded to each other by an ultrasonic welder.  As a result, the cable can be attached to the messenger wire easily and the durability of the cable suspension part can be improved.
Patent JP-H02146928-A (JP)
Title: Inter-earth current control mechanism
Inventor: AKITA KUNIHIKO
IPC: H02H7/20
Filed: 1988-11-24
Abstract: PURPOSE:To protect machinery from breakdown or burning by arranging a fuse at the joint of a frame earth (FG) and a signal earth (SG) thereby separating the FG from the SG by means of the fuse when abnormal current flows from the FG to the SG. CONSTITUTION:Terminals FG and SG are connected respectively through an FG cable 106 and an SG cable with an external power supply. A fuse 105 is arranged between the FG terminal 103 and the SG terminal 104 in order to cope with electromagnetic interference through coupling of the FG and SG. No current flows normally between the FG and SG but when abnormal voltage is applied onto the FG due to work miss or other causes, abnormal current flows from the external cable 106 through the fuse 105 into a power source 102, but the fuse 105 is blown off by the abnormal current and the FG is separated from SG. By such arrangement, a communication equipment can be protected from breakdown or burning.
Patent JP-H10125588-A (JP)
Title: Projection aligner
Inventor: YABUKI EIJI
IPC: H01L21/027
Filed: 1996-10-18
Abstract: PROBLEM TO BE SOLVED: To provide a projection aligner which is able to correct a plurality of various abberrations including the projection multiplying factor of a projection optical system independently at any time. SOLUTION: A transfer means (5, 7) by which at least one lens (L1, L2) among lenses of which a projection optical system PL is composed is transferred along a light axis and an air pressure control means (13, 17) by which air pressure in spaces formed between a plurality of lenses L16-L19 which are arranged continuouslly in the projection optical system are changed are provided. By the actions of the lens transfer by the transfer means and the air pressure change in the space by the air pressure control means, a plurality of aberrations including the projection multiplying factor of the projection optical system can be corrected independently.
Patent JP-H08157096-A (JP)
Title: Sheet conveying device for image forming device
Inventor: HIDA KEIJI
IPC: B65H5/06
Filed: 1994-11-30
Abstract: PURPOSE: To rarely give an adverse effect to a drive system and apply proper tension to a paper sheet with no adjustment. CONSTITUTION: This sheet conveying device conveying paper sheets in a copying machine is provided with a pre-transfer roller pair 27 pinching and conveying a paper sheet, the heat roller and the pressure roller of a fixing device, a drive system 46 driving the rollers so that the conveying speed of the fixing device becomes faster than the conveying speed of the pre-transfer roller pair 27, and a one-way clutch 44 provided between the pre-transfer roller pair 27 and a drive shaft 45 and regulating the reverse load from the pre-transfer roller pair 27.
Patent JP-H11121268-A (JP)
Title: Dielectric film for capacitor and capacitor
Inventor: OGAWA KATSUYA
IPC: B32B7/02
Filed: 1997-10-15
Abstract: PROBLEM TO BE SOLVED: To decrease the reduction in the capacity of a capacitor at the time of electric power application under high temperature by forming a specified resin coated layer at the at least one surface of a plastic film within the specified thickness range and setting the heat-absorption starting temperature in the longitudinal direction of the film to be in the range of a specified temperature. SOLUTION: In a plastic film, the heat-absorption start temperature in the length direction (MD) is in a range of 60-150 deg.C, and the thickness of the film is set in a range of 1-50 μm. Furthermore, the difference between MD of the plastic film and the heat-absorption start temperature of the width direction (TD) is to be less than 50 deg.C. In addition, in the resin forming the resin coated layer of a dielectric film for a capacitor, the glass transition point of the resin is set to a range of 0-90 deg.C, and the thickness of the resin coated layer is set to a range of 0.2-10 μm. Then, the resin coated surface of the capacitor and the electrode metal are made to face opposite in the contact pattern, and the capacitor is formed through lamination or winding.
Patent JP-H01222234-A (JP)
Title: Method and apparatus for generating coherent light radiation by light mixing
Inventor: JIYOOJI JIEFURIIZU DEIKUSON
IPC: G02F1/35
Filed: 1988-11-25
Abstract: PURPOSE: To perform an operation in the infrared region, visible region and ultraviolet region of a spectrum and to make the modulation speed of a wide range possible by making the two kinds of light radiation mutually act with a nonlinear optical material housed inside a light cavity resonator and generating coherent light radiation. CONSTITUTION: The coherent light radiation 1 of a first frequency is generated from a first radiation source 2, the coherent light radiation 9 of a second frequency is generated from second radiation sources 10 and 11 and the light radiation of the first and second frequencies is introduced to the inside of the light cavity resonator separated from all the ones utilized as the constituting elements of the first and second radiation sources 2, 10 and 11. The light radiation of both frequencies is made to mutually act with the nonlinear optical material 8 housed inside the light cavity resonator and the coherent light radiation 14 of a third frequency is generated.  That is, the coherent light radiation is generated by action with the nonlinear optical material 8 by light mixing. thus, the operation in the infrared region, visible region and ultraviolet region of the spectrum and the modulation speed of the wide range are made possible.